Ubuntu 9.10 Preview: Kernel Mode Setting

Kernel mode setting will be enabled by default for Intel-based video cards on Ubuntu 9.10, set to be released in October. I recently played around with this new feature on a Karmic Koala live CD, and share my results below.

Put simply, kernel mode setting means the Linux kernel, instead of an X11 video driver, handles the task of configuring the graphics mode of the console. The assignment of this work to the kernel shaves away some overhead, making certain operations faster. It also helps developers by allowing kernel problems to be more easily debugged when X is running, and simplifying the video infrastructure upon which Linux relies.

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